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| Failure Mechanisms | |||||||||||||||||||
| Anelastic
Materials
· For
anelastic materials such as polymers,
the application of a periodic stress can cause failure due to local heating
as well as fatigue damage.
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| · The failure due to cyclic thermal softening (top) and true fatigue (bottom) is illustrated for PMMA fatigue samples. | |||||||||||||||||||
| From: Hertzberg, "Deformation & Fracture Mechanics of Engineering Materials," Wiley (1976) | |||||||||||||||||||